Breaking

New Teflon Toxin found in NC Drinking Water

The Intercept, June 17, 2017

 

A PERSISTENT AND toxic industrial chemical known as GenX has been detected in the drinking water in Wilmington, North Carolina, and in surface waters in Ohio and West Virginia.

DuPont introduced GenX in 2009 to replace PFOA, a compound it used to manufacture Teflon and coatings for stain-resistant carpeting, waterproof clothing, and many other consumer products. PFOA, also known as C8, was phased out after DuPont was hit with a class-action suit over health and environmental concerns. Yet as The Intercept reported last year, GenX is associated with some of the same health problems as PFOA, including cancer and reproductive issues.

Levels of GenX in the drinking water of one North Carolina water utility, the Cape Fear Public Utility Authority, averaged 631 ppt (parts per trillion), according to a study published in Environmental Science & Technology Letters in 2016. Although researchers didn’t test the water of two other drinking water providers that also draw water from that area of the Cape Fear River, the entire watershed downstream of the Chemours discharge, which is a source of drinking water for some 250,000 people, is likely to be contaminated, according to Detlef Knappe, one of the authors of the study.

Research presented at a conference this week at Northeastern University detailed the presence of GenX in water in North Carolina and Ohio. In both cases, the chemical was found in water near plants that were owned by DuPont and since 2015 have been operated by DuPont’s spinoff company, Chemours. Both GenX and PFOA belong to a larger group of chemicals known as PFAS, which are structurally similar and believed to persist indefinitely in nature.

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